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I am currently developing a blackberry java application. In the app, I switch between two screens (let's call them A and B). Now on my simulators (lots of them, OS 5/6/7), the application works fine. On some real devices that I have tested, the application works fine. However on a friend's 9360 OS 7.1.0.336 the app crashes when transitioning from screen A to screen B. I can't duplicate the error on the devices I have or my simulators.After downloading/installing/testing on many simulators, I downloaded a simulator 9800 OS 6.0.0.313 and behold, the app crashes when i transition from screen A to screen B. Now I use eclipse with the blackberry plugin, anytime i try attaching the debugger to this particular simulator i get the attach debugger failed message, or even worse the simulator just "dies" so now i can't even see what is causing the app to crash.. What am i supposed to do?
Try to figure out what was exception:
1. Go to BB home screen
2. Hold ALT (for simulator CTRL on PC is ALT for simulator) key
3. While holding ALT key type LGLG on keyboard
You will see device event log where unhandled exceptions.
Back to main question. It's sometimes really inconsistent. The different OS versions have different issues and sometimes behavior is slightly different. But we can't do anything with it.
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I can run my app many times in row on iPhone (real device) using 'run' in Android Studio.Everything works fine, but if I close the app and click on icon in the iPhone, it's crashed before the splash screen.
Why I can't start it from the device?
If you run your app on the iPhone in debug mode, it won't run after the debug session is terminated. You can run the up from command line in release mode on the iPhone, so you can start the app event if there is no active debug:
flutter run --release
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Who knows how to write an application on a Mac that will receive a signal from the iPhone just like Xcode Output. For example, my iPhone is connected to my Mac and when I press the button in my application on the iPhone , in the button outlet says "print (" bla-bla-bla ")" and when I click on the button on the phone in my Xcode in Output the inscription pops up bla-bla-bla. And I need xcode output to be viewed through my Mac application. If anyone knows really looking forward to hear!
It would be useful to know what it is you are trying achieve by doing this. Printing output should only be for debugging purposes whilst developing an application.
If you are wanting to output information from an iPhone app to a Mac one then you could create a service that pushes messages to a queue and a Mac app that reads from that queue and displays them.
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i've rebuild a old app code for my company and after correct all the errors for the updated xcode5, when i launch the app on my devices it has a different appearance.
In specific the old one are in old iphone style and now, without make grafics change(i think), the theme in iOS7.
i'm sorry if the question is too simple but i'm very newbie in iphone develop
If you build your application with a pre-xcode 5 IDE then it will retain the iOS6 look and feel, even when you download the old version of your app that is on the app store to an iOS 7 running device.
However there are some UI Elements that you have zero control over such as the UIAlertViews and UIActionSheets these will appear with the iOS 7 look and feel no matter what you do.
Once you start building your applications though with xcode 5 and above your application will now start to use the look and feel of iOS 7 so as soon as you do a new build with xcode 5 and above your applications will look different even if you haven't changed anything.
Note that from the 1st of February 2014 all Apps submitted to the Apple Apps Store must be built using at least xcode 5 and must be optimized for iOS7. So if you want to provide anymore updates to the Apple App store you will need to optimize your application to use iOS7 properly. Here is the Apple iOS7 Human Interface Guidelines that you may want to read.
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I already created my privilege profile and run the application on my iphone and everything is going well. But when the device was disconnected from the mac after a while the application may not run especially if an exception is thrown it never run again until you reRun it by connecting the device to the mac and run the application from xcode itself.
I know that there is some way to archive the application and download it to the device as an .ipa file. But how can I do this ?
If you build your app in Xcode to your device, it will "crash" if you remove the connection from your device to your computer (if you haven't stopped the build). However, if you build your app to your device then press "Stop" you can later launch your app directly from your device.
If you would like to distribute your app for beta testing or later for app store you will have to Archive your app. You do that by going to "Product" -> "Archive".
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Recently, my first iPhone app is approved. I decided to convert it to a universal app, and since it is a basic application I did it easily. I'll resubmit the app today, but I have some concerns about the process.
Idea 1) Creating a new application on itunesconnect. However, current users of my app won't get update notification and there will be 2 different applications. So this idea sounds really stupid
Idea 2) Creating a new version of my current application, this looks good for iPhone side of the app. However, I don't have any iPad app. Defining a new version for a non-existing iPad app sounds weird.
Please correct me if I'm wrong. As I know, one have to debug app on a real device to submit .app file. In my case - universal application, do I have to test app on both iPhone and iPad ?
I really don't know what I should do about it. Please share your ideas. Thanks in advance.
Ideally you should test your universal on both an iPhone and an iPad. If you don't own an iPad but just an iPhone, then if it works well on the iPhone and on the iPad simulator, then you should be OK. But it is still possible for there to be hidden issues. One issue you can have by not testing on a real iPad is making sure all of you iPad specific images and xib files actually work on a real device due to filename case sensitivity. But you can only test on devices that you actually have.
There is no requirement that you test on any device before you can submit the app. Apple has no way to know whether you did or not. Of course it is a really bad idea to only use the simulator for testing since there are so many differences.
As for submitting the app, you must use idea 2. Create an update to your existing app in iTunes Connect. Submit the binary. It will be detected as a universal app. Then you can update the meta data with new iPhone screen shots and iPad screen shots.